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What type of solvent favours SN1 mechanism?

Answer 1

polar solvent favours SN1 mechanism.

Since "LIKE DISSOLVES LIKE" and polar solvents stabilize carbocation intermediates and promote reactions, they are formed as an intermediate in the SN1 mechanism.

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Answer 2

Nolan Allen

Polar protic solvents favor SN1 (substitution nucleophilic unimolecular) mechanisms. Examples of polar protic solvents include water, alcohols (such as methanol and ethanol), and carboxylic acids. These solvents stabilize both the nucleophile and the leaving group, facilitating the dissociation of the leaving group and the formation of the carbocation intermediate characteristic of SN1 reactions.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.